Collapsible viewing instrument



FIG. 1 is a perspective view of the collapsible viewing instrument in a collapsed configuration;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom side view thereof;

FIG. 7 is a top side view thereof;

FIG. 8 is a perspective view of the collapsible viewing instrument in an extended configuration;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a right side view thereof;

FIG. 12 is a top side view thereof;

FIG. 13 is a bottom side view thereof; and,

FIG. 14 is a left side view thereof.

The portion of the article depicted in broken lines is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a collapsible viewing instrument, as shown and described. 